Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
The Supply Chain in 2025
Page 10 of 27 of this archive, newest first.
What changed at QST in August, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Everything on the page, in the order a chemist would read it
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.
Shenzhen export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a 34% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
A supplier suspends shipping to Nigeria after 3 consecutive customs detentions
The route did not close because of a rule about peptides.
A supplier suspends shipping to Argentina after 11 consecutive customs detentions
The route did not close because of a rule about peptides.
What a 26% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Changsha export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What a laboratory knows about the material it receives
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.
How a claim degrades between the bench and the listing
Lot-level verification with a public report is a real and achievable thing. It exists in this market, on a minority of listings.
What changed at QSC in August, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 24% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
A supplier suspends shipping to France after 7 consecutive customs detentions
The route did not close because of a rule about peptides.
What the four services actually offer, test by test
A compendial sterility test takes fourteen days of incubation and consumes the containers tested. That timescale is incompatible with the business model that made…